aljaz/BTCPayServerPlugins
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improve

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This commit is contained in:
Kukks
2023-04-23 11:31:56 +02:00
parent 2cf0e7b7fd
commit c9a5dbc7d1
7 changed files with 89 additions and 38 deletions
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73
Plugins/BTCPayServer.Plugins.NIP05/Zapper.cs
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@@ -7,14 +7,25 @@ using System.Threading;
using System.Threading.Tasks;
using BTCPayServer.Events;
using BTCPayServer.Payments;
using BTCPayServer.Services;
using BTCPayServer.Services.Stores;
using Microsoft.Extensions.Caching.Memory;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Primitives;
using NBitcoin;
using NBitcoin.Secp256k1;
using NNostr.Client;
namespace BTCPayServer.Plugins.NIP05;
public record ZapperSettings(string ZapperPrivateKey)
{
public ECPrivKey ZappingKey => NostrExtensions.ParseKey(ZapperPrivateKey);
public ECXOnlyPubKey ZappingPublicKey => ZappingKey.CreateXOnlyPubKey();
public string ZappingPublicKeyHex => ZappingPublicKey.ToHex();
}
public class Zapper : IHostedService
{
record PendingZapEvent(string[] relays, NostrEvent nostrEvent);
@@ -23,15 +34,28 @@ public class Zapper : IHostedService
private readonly Nip5Controller _nip5Controller;
private readonly IMemoryCache _memoryCache;
private readonly ILogger<Zapper> _logger;
private readonly SettingsRepository _settingsRepository;
private IEventAggregatorSubscription _subscription;
private ConcurrentBag<PendingZapEvent> _pendingZapEvents = new();
public Zapper(EventAggregator eventAggregator, Nip5Controller nip5Controller, IMemoryCache memoryCache, ILogger<Zapper> logger)
private async Task<ZapperSettings> GetSettings()
{ var result = await _settingsRepository.GetSettingAsync<ZapperSettings>( "Zapper");
if (result is not null) return result;
result = new ZapperSettings(Convert.ToHexString(RandomUtils.GetBytes(32)));
await _settingsRepository.UpdateSetting(result, "Zapper");
return result;
}
public Zapper(EventAggregator eventAggregator,
Nip5Controller nip5Controller, IMemoryCache memoryCache, ILogger<Zapper> logger, SettingsRepository settingsRepository, StoreRepository storeRepository)
{
_eventAggregator = eventAggregator;
_nip5Controller = nip5Controller;
_memoryCache = memoryCache;
_logger = logger;
_settingsRepository = settingsRepository;
}
public Task StartAsync(CancellationToken cancellationToken)
@@ -70,7 +94,27 @@ public class Zapper : IHostedService
var tcs = new TaskCompletionSource();
using var c = new NostrClient(new Uri(relay.Key));
await c.ConnectAndWaitUntilConnected(cts.Token);
var pendingOksOnIds = relay.Value.Select(a => a.Id).ToHashSet();
var subscription = new NostrSubscriptionFilter()
{
Ids = pendingOksOnIds.ToArray()
};
c.EventsReceived+= (sender, args) =>
{
foreach (var nostrEvent in args.events)
{
if (nostrEvent.Id == "zap-confirmation")
{
pendingOksOnIds.Remove(nostrEvent.Id);
if (!pendingOksOnIds.Any())
{
tcs.SetResult();
}
}
}
};
await c.CreateSubscription("zap-confirmations",new []{subscription}, cts.Token);
c.OkReceived += (sender, okargs) =>
{
pendingOksOnIds.Remove(okargs.eventId);
@@ -87,7 +131,6 @@ public class Zapper : IHostedService
}
catch (Exception e)
{
_logger.LogError(e, $"Error zapping to {relay.Key}");
}
}));
@@ -131,23 +174,11 @@ public class Zapper : IHostedService
}
var pmd = (LNURLPayPaymentMethodDetails) pm.GetPaymentMethodDetails();
var name = pmd.ConsumedLightningAddress.Split("@")[0];
var settings = await _nip5Controller.Get(name);
if (settings.storeId != arg.Invoice.StoreId)
{
return;
}
if (string.IsNullOrEmpty(settings.settings.PrivateKey))
{
return;
}
var key = NostrExtensions.ParseKey(settings.settings.PrivateKey);
var settings = await GetSettings();
var zapRequestEvent = JsonSerializer.Deserialize<NostrEvent>(zapRequest);
var relays = zapRequestEvent.Tags.Where(tag => tag.TagIdentifier == "relays").SelectMany(tag => tag.Data).ToArray();
var tags = zapRequestEvent.Tags.Where(a => a.TagIdentifier.Length == 1).ToList();
tags.Add(new()
{
@@ -165,15 +196,15 @@ public class Zapper : IHostedService
{
Kind = 9735,
CreatedAt = DateTimeOffset.UtcNow,
PublicKey = settings.settings.PubKey,
PublicKey = settings.ZappingPublicKeyHex,
Content = zapRequestEvent.Content,
Tags = tags
};
await zapReceipt.ComputeIdAndSignAsync(key);
_pendingZapEvents.Add(new PendingZapEvent(relays.Concat(settings.settings.Relays?? Array.Empty<string>()).Distinct().ToArray(), zapReceipt));
await zapReceipt.ComputeIdAndSignAsync(settings.ZappingKey);
var userNostrSettings = await _nip5Controller.GetForStore(arg.Invoice.StoreId);
_pendingZapEvents.Add(new PendingZapEvent(relays.Concat(userNostrSettings?.Relays?? Array.Empty<string>()).Distinct().ToArray(), zapReceipt));
}
public Task StopAsync(CancellationToken cancellationToken)